Javascript - dynamically add input fields
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by Neeraj
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Published on 2010-06-16T12:09:43Z
Indexed on
2010/06/16
12:12 UTC
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Filed under:
JavaScript
|dynamic
Hi Guys,
I have a code to add input fields dynamically in js. But the problem is if i add 3 fields or more and then browse a file(if the input field is file), the value of the field selected disappears. Can any one help
Heres my code
Thanks in advance. :)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<script type="text/javascript">
<!-- Begin
/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Husay :: http://www.communitxt.net */
var arrInput = new Array(0);
var arrInputValue = new Array(0);
fields = 1;
maxInput = 4;
function addInput() {
//arrInput.push(createInput(arrInput.length));
if(fields <= maxInput){
fields +=1;
arrInput.push(arrInput.length);
//arrInputValue.push(arrInputValue.length);
arrInputValue.push("");
display();
}
}
function display() {
document.getElementById('parah').innerHTML="";
for (intI=0;intI<arrInput.length;intI++) {
document.getElementById('parah').innerHTML+=createInput(arrInput[intI], arrInputValue[intI]);
}
}
function saveValue(intId,strValue) {
arrInputValue[intId]=strValue;
}
function createInput(id,value) {
return "<input type='file' id='test "+ id +"' onChange='javascript:saveValue("+ id +",this.value)' value='"+ value +"'><br>";
}
function deleteInput() {
if (arrInput.length > 0) {
fields -=1;
arrInput.pop();
arrInputValue.pop();
}
display();
}
// End -->
</script>
</head>
<body>
<a href="javascript:addInput()">Add more input field(s)</a><br>
<a href="javascript:deleteInput()">Remove field(s)</a><br>
<input type="file" /><br>
<input type="file" /><br>
<input type="file" /><br>
<p id="parah"></p>
</body>
</html>
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